It will bolt.!
Ruunaway from the thing that's scaring it ..X
A horse's first instinct if it is afraid is to run.
When a horse is frightened or afraid their first instinct is to Flee, run or get away. known as spooking.
to bite
Bolt.
flight or fight and if it is afraid it is going to have a flight instinct
A horse's first instinct when frightened or startled is to run away. The second instinct is to fight in order to protect itself.
A horses first instinct when fearful is almost always to flee first and ask questions later. In some cases though the horse is attack, but that is not common.
buck, rear up, run
run away
Horse will Flee
For Howrse it's answer is Flee.